The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2009
Filed:
Sep. 13, 2007
Hui-min Wang, Tainan County, TW;
Chen-song Yen, Tainan County, TW;
Chin-tien Chang, Tainan County, TW;
Chuan-che Lee, Tainan County, TW;
Hui-Min Wang, Tainan County, TW;
Chen-Song Yen, Tainan County, TW;
Chin-Tien Chang, Tainan County, TW;
Chuan-Che Lee, Tainan County, TW;
Himax Technologies Limited, Tainan County, TW;
Abstract
A digital-to-analog converter outputting an output analog voltage according to an N-bit digital signal is provided. The digital-to-analog converter includes a first and a second resistor strings, a first and a second select units. The first resistor string is connected between a first and a second power supply voltages to generate a first group of reference voltages. The first select unit selects two reference voltages out of the first group according to M most significant bits of the N-bit digital signal. The second resistor string is connected between the selected reference voltages to generate a second group of reference voltages between the selected reference voltages. The second select unit selects one reference voltage out of the second group as the output analog voltage according to the N-M least significant bits of the N-bit digital signal.